57918-73-7
3-乙酰氧基-2-环己烯-1-酮
→
18926-93-7
8,8-dimethoxybicyclo[4.2.0]oct-1(6)-en-5-one
18926-91-5
6-Acetoxy-7,7-dimethoxy-bicyclo[4.2.0]-octan-2-on